ACCESSION: MSBNK-BAFG-CSL2311108251
RECORD_TITLE: O-desmethyl-naproxen; LC-ESI-QTOF; MS2; 40 V
DATE: 2023.11.10
AUTHORS: Kevin S. Jewell; Björn Ehlig; Arne Wick
LICENSE: dl-de/by-2-0
COPYRIGHT: Copyright 2023 Federal Institute of Hydrology, Koblenz, Germany
COMMENT: CONFIDENCE Reference Standard (Level 1)
COMMENT: Chromatography method: dx.doi.org/10.1016/j.chroma.2015.11.014
COMMENT: Acquisition method: 10.1002/rcm.8541

CH$NAME: O-desmethyl-naproxen
CH$COMPOUND_CLASS: Metabolite; Pharmaceutical; Transformation_product
CH$FORMULA: C₁₃H₁₂O₃
CH$EXACT_MASS: 216.0786
CH$SMILES: CC(C1=CC2=C(C=C1)C=C(C=C2)O)C(=O)O
CH$IUPAC: InChI=1S/C13H12O3/c1-8(13(15)16)9-2-3-11-7-12(14)5-4-10(11)6-9/h2-8,14H,1H3,(H,15,16)
CH$LINK: CAS 52079-10-4
CH$LINK: INCHIKEY XWJUDDGELKXYNO-UHFFFAOYSA-N

AC$INSTRUMENT: TripleTOF 5600 SCIEX
AC$INSTRUMENT_TYPE: LC-ESI-QTOF
AC$MASS_SPECTROMETRY: MS_TYPE MS2
AC$MASS_SPECTROMETRY: ION_MODE NEGATIVE
AC$MASS_SPECTROMETRY: COLLISION_ENERGY 40
AC$MASS_SPECTROMETRY: FRAGMENTATION_MODE CID
AC$MASS_SPECTROMETRY: IONIZATION ESI
AC$CHROMATOGRAPHY: COLUMN_NAME Zorbax Eclipse Plus C18 2.1 mm x 150 mm, 3.5 um, Agilent
AC$CHROMATOGRAPHY: COLUMN_TEMPERATURE 40 °C
AC$CHROMATOGRAPHY: FLOW_GRADIENT 0 min min 98% A, 1 min 98% A, 2 min 80% A, 16.5 min 2% A, 22 min 2% A, 22.1 min 98% A, 27 min 98% A
AC$CHROMATOGRAPHY: FLOW_RATE 0.3 mL/min
AC$CHROMATOGRAPHY: RETENTION_TIME 8.5 min
AC$CHROMATOGRAPHY: SOLVENT A: Water 0.1% Formic acid, B: Acetonitrile 0.1% Formic acid

MS$FOCUSED_ION: PRECURSOR_M/Z 215.0722
MS$FOCUSED_ION: PRECURSOR_TYPE [M-H]-
MS$DATA_PROCESSING: COMMENT Export with Spectra 1.9.12 MsBackendMassbank 1.7.4
MS$DATA_PROCESSING: WHOLE RMassBank 2.3.1

PK$SPLASH: splash10-014i-0900000000-821d686648699a194df2
PK$NUM_PEAK: 9
PK$PEAK: m/z int. rel.int.
  115.0586 0.7099 15
  141.072 2.4595 54
  143.0506 6.4411 141
  156.0578 3.7168 81
  167.0506 1.046 22
  168.5377 0.6357 13
  169.0667 45.4984 999
  170.0738 4.1727 91
  171.0814 10.5609 231
//